Oocysts of Isospora sp. were detected in the feces of a veiled chameleon (family Chamaeleonidae; Chamaeleo calyptratus) kept at a zoo in Ishikawa, Japan. Phylogenetic analysis placed the sequence in the cluster of Isospora spp. isolated from reptiles. Based on a comparison of morphological data of ten previously reported Isospora species from the Chamaeleonidae family, this isolate was morphologically similar to I. jaracimrmani, which has been considered to be a virulent species. This case study suggests the possibility that species of Isospora might not always cause disease because the animal that shed these oocysts showed no symptoms for more than two months.
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http://dx.doi.org/10.1292/jvms.21-0152 | DOI Listing |
Anat Rec (Hoboken)
December 2024
Department of Comparative Anatomy, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University, Krakow, Poland.
Chameleons are a family of lizards distinguished by several unique features related to their arboreal lifestyles, such as a ballistic tongue, skin color changes, independent movement of both eyes, a prehensile tail, and cleft hands and feet. The veiled chameleon (Chamaeleo calyptratus) has been proposed as a promising model species for studying squamate biology. Despite its potential, the developmental biology of this species remains poorly understood, particularly in terms of gonadal development.
View Article and Find Full Text PDFbioRxiv
September 2024
Stowers Institute for Medical Research, Kansas City, MO, USA.
The family Chamaeleonidae comprises 228 species, boasting an extensive geographic spread and an array of evolutionary novelties and adaptations, but a paucity of genetic and molecular analyses. Veiled chameleon () has emerged as a tractable research organism for the study of squamate early development and evolution. Here we report a chromosomal-level assembly and annotation of the veiled chameleon genome.
View Article and Find Full Text PDFAnim Reprod Sci
February 2024
Clinic for Zoo Animals, Exotic Pets and Wildlife, University of Zurich, 8057 Zurich, Switzerland.
Vet Med (Praha)
July 2023
Avian and Exotic Animal Clinic, Faculty of Veterinary Medicine, University of Veterinary Sciences Brno, Brno, Czech Republic.
Eighteen 5 months old veiled chameleon females () were used in the study. Seven females received subcutaneous implants with gonadotropin-releasing hormone agonist (GnRH) deslorelin acetate whereas eleven females were used as control animals without any implants. Females were kept in five terraria, in groups of four females (in 3 terraria) and groups of three females (in 2 terraria), respectively.
View Article and Find Full Text PDFOpen Vet J
September 2023
Fundació Hospital Clínic Veterinari, Universitat Autònoma de Barcelona, Barcelona, Spain.
Background: Veiled chameleon () and panther chameleon () are two of the most popular pet chameleons, and consequently, these species are frequently evaluated in veterinary practices. According to our review of the literature, normal computed tomography (CT) anatomy of these lizards has not been previously described.
Aim: The purposes of this prospective study were to describe the normal CT anatomy of the coelomic organs in healthy patients and to provide normal reference values in these species.
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